Portion of a side of a footwear article



FIG. 1 is a side elevation view of a portion of a side of a footwear article.

The ornamental design that is claimed is shown in solid lines in the drawings. The broken (dashed) lines shown in FIG. 1 are included for the purpose of illustrating environmental elements only and form no part of the claimed design. 

I claim the ornamental design for a portion of a side of a footwear article, as shown and described. 